Home / 51,388.76-77,066.73-16,320.21

Finding the Fourth Proportional to 51,388.76, 77,066.73 and 16,320.21

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Solution

The fourth proportional to 51,388.76, 77,066.73 and 16,320.21 is: 24,475.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,388.76 : 77,066.73 = 16,320.21 : x
  2. Step 2: Convert to fraction form
    51,388.76/77,066.73 = 16,320.21/x
  3. Step 3: Cross multiply
    51,388.76x = 77,066.73 × 16,320.21
  4. Step 4: Simplify right side
    51,388.76x = 1,257,745,217.61
  5. Step 5: Solve for x
    x = 1,257,745,217.61/51,388.76
  6. Step 6: Final answer
    x = 24,475.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.